Update from https://crrev.com/315085

gpu/command_buffer/service/memory_program_cache_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/memory_program_cache.h"
 
 #include "base/bind.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/gpu_service_test.h"
@@ skipping 178 matching lines @@
   }
   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
   EXPECT_EQ(1, shader_cache_count());
 }
 
 TEST_F(MemoryProgramCacheTest, LoadProgram) {
   const GLenum kFormat = 1;
   const int kProgramId = 10;
   const int kBinaryLength = 20;
   char test_binary[kBinaryLength];
   for (int i = 0; i < kBinaryLength; ++i) {
     test_binary[i] = i;
   }
   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
   EXPECT_EQ(1, shader_cache_count());
 
   cache_->Clear();
 
   cache_->LoadProgram(shader_cache_shader());
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
 }
 
 TEST_F(MemoryProgramCacheTest, CacheLoadMatchesSave) {
   const GLenum kFormat = 1;
   const int kProgramId = 10;
   const int kBinaryLength = 20;
   char test_binary[kBinaryLength];
   for (int i = 0; i < kBinaryLength; ++i) {
@@ skipping 141 matching lines @@
     test_binary[i] = i;
   }
   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
-  const std::string vertex_orig_source = vertex_shader_->signature_source();
+  const std::string vertex_orig_source = vertex_shader_->last_compiled_source();
   vertex_shader_->set_source("different!");
   TestHelper::SetShaderStates(gl_.get(), vertex_shader_, true);
   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_FAILURE, cache_->LoadLinkedProgram(
       kProgramId,
       vertex_shader_,
       NULL,
       fragment_shader_,
       NULL,
       NULL,
       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
@@ skipping 71 matching lines @@
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator1);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   const int kEvictingProgramId = 11;
   const GLuint kEvictingBinaryLength = kCacheSizeBytes - kBinaryLength + 1;
 
   // save old source and modify for new program
-  const std::string& old_source = fragment_shader_->signature_source();
+  const std::string& old_source = fragment_shader_->last_compiled_source();
   fragment_shader_->set_source("al sdfkjdk");
   TestHelper::SetShaderStates(gl_.get(), fragment_shader_, true);
 
   scoped_ptr<char[]> bigTestBinary =
       scoped_ptr<char[]>(new char[kEvictingBinaryLength]);
   for (size_t i = 0; i < kEvictingBinaryLength; ++i) {
     bigTestBinary[i] = i % 250;
   }
   ProgramBinaryEmulator emulator2(kEvictingBinaryLength,
                                   kFormat,
                                   bigTestBinary.get());
 
   SetExpectationsForSaveLinkedProgram(kEvictingProgramId, &emulator2);
   cache_->SaveLinkedProgram(kEvictingProgramId,
                             vertex_shader_,
                             NULL,
                             fragment_shader_,
                             NULL,
                             NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
   EXPECT_EQ(ProgramCache::LINK_UNKNOWN, cache_->GetLinkedProgramStatus(
       old_source,
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
 }
 
 TEST_F(MemoryProgramCacheTest, SaveCorrectProgram) {
   const GLenum kFormat = 1;
   const int kProgramId = 10;
   const int kBinaryLength = 20;
   char test_binary[kBinaryLength];
   for (int i = 0; i < kBinaryLength; ++i) {
     test_binary[i] = i;
   }
   ProgramBinaryEmulator emulator1(kBinaryLength, kFormat, test_binary);
 
   vertex_shader_->set_source("different!");
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator1);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
 }
 
 TEST_F(MemoryProgramCacheTest, LoadCorrectProgram) {
   const GLenum kFormat = 1;
   const int kProgramId = 10;
   const int kBinaryLength = 20;
   char test_binary[kBinaryLength];
   for (int i = 0; i < kBinaryLength; ++i) {
     test_binary[i] = i;
   }
   ProgramBinaryEmulator emulator(kBinaryLength, kFormat, test_binary);
 
   SetExpectationsForSaveLinkedProgram(kProgramId, &emulator);
   cache_->SaveLinkedProgram(kProgramId, vertex_shader_, NULL,
                             fragment_shader_, NULL, NULL,
                             base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                                        base::Unretained(this)));
 
   EXPECT_EQ(ProgramCache::LINK_SUCCEEDED, cache_->GetLinkedProgramStatus(
-      vertex_shader_->signature_source(),
+      vertex_shader_->last_compiled_source(),
       NULL,
-      fragment_shader_->signature_source(),
+      fragment_shader_->last_compiled_source(),
       NULL,
       NULL));
 
   SetExpectationsForLoadLinkedProgram(kProgramId, &emulator);
 
   fragment_shader_->set_source("different!");
   EXPECT_EQ(ProgramCache::PROGRAM_LOAD_SUCCESS, cache_->LoadLinkedProgram(
       kProgramId,
       vertex_shader_,
       NULL,
@@ skipping 39 matching lines @@
       NULL,
       fragment_shader_,
       NULL,
       NULL,
       base::Bind(&MemoryProgramCacheTest::ShaderCacheCb,
                  base::Unretained(this))));
 }
 
 }  // namespace gles2
 }  // namespace gpu